Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6761272 | Filters consisting of filter paper or paper-type nonwoven material | Friedemann Pieschel, Michael Knieling | 2004-07-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6761272 | Filters consisting of filter paper or paper-type nonwoven material | Friedemann Pieschel, Michael Knieling | 2004-07-13 |